add experimental

adjust uv_tcp_bind signature

add uv_pipe_pending_instances api (windows only)

*_init accepts loop parameter

fix uv_read_stop

fix recounting issue

fix refcounting

add uv_pipe_connect api. I'm still thinking refcount.

add pipe api

add uv_timer_stop, uv_timer_again, uv_timer_set_repeat, uv_timer_get_repeat api

add uv_is_active, uv_is_readable, uv_is_writable api

add uv_read_stop api

add uv_now api

add uv_loop_delete api

fix SEGV when using uv_idle_stop

fix compile warnings

fix callback function signature

remove needless variables

udpate TODO. oh, i have many tasks ;-)

add uv_err_name api

add uv_udpate_time api

fix uv_strerror

add comment for upd_recv

fix comment

add udp example